Home / 47,438.28-71,009.79-29,871.21

Finding the Fourth Proportional to 47,438.28, 71,009.79 and 29,871.21

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Solution

The fourth proportional to 47,438.28, 71,009.79 and 29,871.21 is: 44,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,438.28 : 71,009.79 = 29,871.21 : x
  2. Step 2: Convert to fraction form
    47,438.28/71,009.79 = 29,871.21/x
  3. Step 3: Cross multiply
    47,438.28x = 71,009.79 × 29,871.21
  4. Step 4: Simplify right side
    47,438.28x = 2,121,148,349.15
  5. Step 5: Solve for x
    x = 2,121,148,349.15/47,438.28
  6. Step 6: Final answer
    x = 44,713.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.